Historical evaluation of computer
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Transcript of Historical evaluation of computer
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Welcome to Presentation
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Historical Evaluation of Computer
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Functions of Computer
Characteristics and Limitations Of Computer
Generations Of Computer
Classification Of Computer
Computer System and Technology
Software
Operating System
Computer Language
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Computer
“The computer was born to solve problems that did not exist before.”
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Functions Of Computer
Accept Data
Process Data
Output Data
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Characteristics Of Computer
Faster
Diligence
Accurate
Vast Memory
Reliability
Various Performance
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Limitations Of Computer
Costly
Dependent
Need of an expert programmer
Non Standardization
Artificial
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Various Generations of ComputerFirst generation computer(1951-1959): Use of vacuum tubes
Second generation computer(1959-1965): Use of transistors
Third generation computer(1965-1971): Use of IC
Forth Generation computer(1971-Current year): Use of large scale of Integration
Fifth Generation computer(future Generation): Use of ULSI
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Classification of Computers
Digital ComputerMicro computer
Mini computer
Mainframe Computer
Super computer
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Relationship Between System and Technology
Technology: Composed of hardware, software, data and telecommunication
System: Group of interrelated components
InputProcessingOutput
Feed back: Data about the performance of a system
Control: Monitoring and evaluating feedback
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Components of Computer system
Hardware
Software
User
Data
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Major Types of Software
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Operating System
An integrated set of programs that acts as a basic platform for the hardware applications programs to run.
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Functions of operating system
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Multiprocessing Operating System
Classification of Operating System :
Batch/Off line Mode Operating System
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Time sharing operating system
Multitasking Operating System
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Distributed operating system
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Virtual storage operating system
Real time Operating System
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Computer Language
Language
Low level Language
1. Machine language
2. Assemble language
High level language
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Machine language: Directly executed without any translation. Instruction written in what can understand by processor.
Assemble language: Instructions are written in codes and symbolic address.
Low Level Language
Easily Understandable for ComputerExecute FastMachine DependentInefficient in error findingHard for logic development
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High Level Language
Human understand easilySlow in executionSlow in executionEasy in error findingEasy in developing logic
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Thank You